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-rw-r--r--include/linux/memcontrol.h28
-rw-r--r--kernel/events/uprobes.c3
-rw-r--r--mm/filemap.c2
-rw-r--r--mm/huge_memory.c2
-rw-r--r--mm/khugepaged.c4
-rw-r--r--mm/ksm.c3
-rw-r--r--mm/memcontrol.c28
-rw-r--r--mm/memory.c9
-rw-r--r--mm/migrate.c2
-rw-r--r--mm/shmem.c2
-rw-r--r--mm/userfaultfd.c2
11 files changed, 44 insertions, 41 deletions
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 06659670db32..19a51729e00c 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -694,14 +694,28 @@ static inline bool mem_cgroup_below_min(struct mem_cgroup *memcg)
page_counter_read(&memcg->memory);
}
-int __mem_cgroup_charge(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask);
-static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask)
+int __mem_cgroup_charge(struct folio *folio, struct mm_struct *mm, gfp_t gfp);
+
+/**
+ * mem_cgroup_charge - Charge a newly allocated folio to a cgroup.
+ * @folio: Folio to charge.
+ * @mm: mm context of the allocating task.
+ * @gfp: Reclaim mode.
+ *
+ * Try to charge @folio to the memcg that @mm belongs to, reclaiming
+ * pages according to @gfp if necessary. If @mm is NULL, try to
+ * charge to the active memcg.
+ *
+ * Do not use this for folios allocated for swapin.
+ *
+ * Return: 0 on success. Otherwise, an error code is returned.
+ */
+static inline int mem_cgroup_charge(struct folio *folio, struct mm_struct *mm,
+ gfp_t gfp)
{
if (mem_cgroup_disabled())
return 0;
- return __mem_cgroup_charge(page, mm, gfp_mask);
+ return __mem_cgroup_charge(folio, mm, gfp);
}
int mem_cgroup_swapin_charge_page(struct page *page, struct mm_struct *mm,
@@ -1199,8 +1213,8 @@ static inline bool mem_cgroup_below_min(struct mem_cgroup *memcg)
return false;
}
-static inline int mem_cgroup_charge(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask)
+static inline int mem_cgroup_charge(struct folio *folio,
+ struct mm_struct *mm, gfp_t gfp)
{
return 0;
}
diff --git a/kernel/events/uprobes.c b/kernel/events/uprobes.c
index af24dc3febbe..6357c3580d07 100644
--- a/kernel/events/uprobes.c
+++ b/kernel/events/uprobes.c
@@ -167,7 +167,8 @@ static int __replace_page(struct vm_area_struct *vma, unsigned long addr,
addr + PAGE_SIZE);
if (new_page) {
- err = mem_cgroup_charge(new_page, vma->vm_mm, GFP_KERNEL);
+ err = mem_cgroup_charge(page_folio(new_page), vma->vm_mm,
+ GFP_KERNEL);
if (err)
return err;
}
diff --git a/mm/filemap.c b/mm/filemap.c
index d74be9fb3aa2..816af226f49d 100644
--- a/mm/filemap.c
+++ b/mm/filemap.c
@@ -889,7 +889,7 @@ noinline int __add_to_page_cache_locked(struct page *page,
page->index = offset;
if (!huge) {
- error = mem_cgroup_charge(page, NULL, gfp);
+ error = mem_cgroup_charge(page_folio(page), NULL, gfp);
if (error)
goto error;
charged = true;
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 5e9ef0fc261e..d49986a10d83 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -603,7 +603,7 @@ static vm_fault_t __do_huge_pmd_anonymous_page(struct vm_fault *vmf,
VM_BUG_ON_PAGE(!PageCompound(page), page);
- if (mem_cgroup_charge(page, vma->vm_mm, gfp)) {
+ if (mem_cgroup_charge(page_folio(page), vma->vm_mm, gfp)) {
put_page(page);
count_vm_event(THP_FAULT_FALLBACK);
count_vm_event(THP_FAULT_FALLBACK_CHARGE);
diff --git a/mm/khugepaged.c b/mm/khugepaged.c
index 045cc579f724..8480a3b05bcc 100644
--- a/mm/khugepaged.c
+++ b/mm/khugepaged.c
@@ -1087,7 +1087,7 @@ static void collapse_huge_page(struct mm_struct *mm,
goto out_nolock;
}
- if (unlikely(mem_cgroup_charge(new_page, mm, gfp))) {
+ if (unlikely(mem_cgroup_charge(page_folio(new_page), mm, gfp))) {
result = SCAN_CGROUP_CHARGE_FAIL;
goto out_nolock;
}
@@ -1658,7 +1658,7 @@ static void collapse_file(struct mm_struct *mm,
goto out;
}
- if (unlikely(mem_cgroup_charge(new_page, mm, gfp))) {
+ if (unlikely(mem_cgroup_charge(page_folio(new_page), mm, gfp))) {
result = SCAN_CGROUP_CHARGE_FAIL;
goto out;
}
diff --git a/mm/ksm.c b/mm/ksm.c
index a5716fdec1aa..c246a0b0ac75 100644
--- a/mm/ksm.c
+++ b/mm/ksm.c
@@ -2578,7 +2578,8 @@ struct page *ksm_might_need_to_copy(struct page *page,
return page; /* let do_swap_page report the error */
new_page = alloc_page_vma(GFP_HIGHUSER_MOVABLE, vma, address);
- if (new_page && mem_cgroup_charge(new_page, vma->vm_mm, GFP_KERNEL)) {
+ if (new_page &&
+ mem_cgroup_charge(page_folio(new_page), vma->vm_mm, GFP_KERNEL)) {
put_page(new_page);
new_page = NULL;
}
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index e352225970d2..dbca7bf92737 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -6660,9 +6660,9 @@ void mem_cgroup_calculate_protection(struct mem_cgroup *root,
atomic_long_read(&parent->memory.children_low_usage)));
}
-static int charge_memcg(struct page *page, struct mem_cgroup *memcg, gfp_t gfp)
+static int charge_memcg(struct folio *folio, struct mem_cgroup *memcg,
+ gfp_t gfp)
{
- struct folio *folio = page_folio(page);
long nr_pages = folio_nr_pages(folio);
int ret;
@@ -6675,34 +6675,19 @@ static int charge_memcg(struct page *page, struct mem_cgroup *memcg, gfp_t gfp)
local_irq_disable();
mem_cgroup_charge_statistics(memcg, nr_pages);
- memcg_check_events(memcg, page_to_nid(page));
+ memcg_check_events(memcg, folio_nid(folio));
local_irq_enable();
out:
return ret;
}
-/**
- * __mem_cgroup_charge - charge a newly allocated page to a cgroup
- * @page: page to charge
- * @mm: mm context of the victim
- * @gfp_mask: reclaim mode
- *
- * Try to charge @page to the memcg that @mm belongs to, reclaiming
- * pages according to @gfp_mask if necessary. if @mm is NULL, try to
- * charge to the active memcg.
- *
- * Do not use this for pages allocated for swapin.
- *
- * Returns 0 on success. Otherwise, an error code is returned.
- */
-int __mem_cgroup_charge(struct page *page, struct mm_struct *mm,
- gfp_t gfp_mask)
+int __mem_cgroup_charge(struct folio *folio, struct mm_struct *mm, gfp_t gfp)
{
struct mem_cgroup *memcg;
int ret;
memcg = get_mem_cgroup_from_mm(mm);
- ret = charge_memcg(page, memcg, gfp_mask);
+ ret = charge_memcg(folio, memcg, gfp);
css_put(&memcg->css);
return ret;
@@ -6723,6 +6708,7 @@ int __mem_cgroup_charge(struct page *page, struct mm_struct *mm,
int mem_cgroup_swapin_charge_page(struct page *page, struct mm_struct *mm,
gfp_t gfp, swp_entry_t entry)
{
+ struct folio *folio = page_folio(page);
struct mem_cgroup *memcg;
unsigned short id;
int ret;
@@ -6737,7 +6723,7 @@ int mem_cgroup_swapin_charge_page(struct page *page, struct mm_struct *mm,
memcg = get_mem_cgroup_from_mm(mm);
rcu_read_unlock();
- ret = charge_memcg(page, memcg, gfp);
+ ret = charge_memcg(folio, memcg, gfp);
css_put(&memcg->css);
return ret;
diff --git a/mm/memory.c b/mm/memory.c
index 269992ba3fa3..b67d80526bee 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -990,7 +990,7 @@ page_copy_prealloc(struct mm_struct *src_mm, struct vm_area_struct *vma,
if (!new_page)
return NULL;
- if (mem_cgroup_charge(new_page, src_mm, GFP_KERNEL)) {
+ if (mem_cgroup_charge(page_folio(new_page), src_mm, GFP_KERNEL)) {
put_page(new_page);
return NULL;
}
@@ -3019,7 +3019,7 @@ static vm_fault_t wp_page_copy(struct vm_fault *vmf)
}
}
- if (mem_cgroup_charge(new_page, mm, GFP_KERNEL))
+ if (mem_cgroup_charge(page_folio(new_page), mm, GFP_KERNEL))
goto oom_free_new;
cgroup_throttle_swaprate(new_page, GFP_KERNEL);
@@ -3769,7 +3769,7 @@ static vm_fault_t do_anonymous_page(struct vm_fault *vmf)
if (!page)
goto oom;
- if (mem_cgroup_charge(page, vma->vm_mm, GFP_KERNEL))
+ if (mem_cgroup_charge(page_folio(page), vma->vm_mm, GFP_KERNEL))
goto oom_free_page;
cgroup_throttle_swaprate(page, GFP_KERNEL);
@@ -4193,7 +4193,8 @@ static vm_fault_t do_cow_fault(struct vm_fault *vmf)
if (!vmf->cow_page)
return VM_FAULT_OOM;
- if (mem_cgroup_charge(vmf->cow_page, vma->vm_mm, GFP_KERNEL)) {
+ if (mem_cgroup_charge(page_folio(vmf->cow_page), vma->vm_mm,
+ GFP_KERNEL)) {
put_page(vmf->cow_page);
return VM_FAULT_OOM;
}
diff --git a/mm/migrate.c b/mm/migrate.c
index a6a7743ee98f..da55d2a8638d 100644
--- a/mm/migrate.c
+++ b/mm/migrate.c
@@ -2846,7 +2846,7 @@ static void migrate_vma_insert_page(struct migrate_vma *migrate,
if (unlikely(anon_vma_prepare(vma)))
goto abort;
- if (mem_cgroup_charge(page, vma->vm_mm, GFP_KERNEL))
+ if (mem_cgroup_charge(page_folio(page), vma->vm_mm, GFP_KERNEL))
goto abort;
/*
diff --git a/mm/shmem.c b/mm/shmem.c
index b5860f4a2738..a2e653aeb536 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -710,7 +710,7 @@ static int shmem_add_to_page_cache(struct page *page,
page->index = index;
if (!PageSwapCache(page)) {
- error = mem_cgroup_charge(page, charge_mm, gfp);
+ error = mem_cgroup_charge(page_folio(page), charge_mm, gfp);
if (error) {
if (PageTransHuge(page)) {
count_vm_event(THP_FILE_FALLBACK);
diff --git a/mm/userfaultfd.c b/mm/userfaultfd.c
index 7a9008415534..36e5f6ab976f 100644
--- a/mm/userfaultfd.c
+++ b/mm/userfaultfd.c
@@ -164,7 +164,7 @@ static int mcopy_atomic_pte(struct mm_struct *dst_mm,
__SetPageUptodate(page);
ret = -ENOMEM;
- if (mem_cgroup_charge(page, dst_mm, GFP_KERNEL))
+ if (mem_cgroup_charge(page_folio(page), dst_mm, GFP_KERNEL))
goto out_release;
ret = mfill_atomic_install_pte(dst_mm, dst_pmd, dst_vma, dst_addr,
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-17 19:45:43 +0300